CN216737381U

CN216737381U - Jack with tray convenient to use

Info

Publication number: CN216737381U
Application number: CN202123245716.2U
Authority: CN
Inventors: 郑新强; 刘正阳
Original assignee: HANGZHOU YINGJIANG MACHINERY MANUFACTURE Co Ltd
Current assignee: HANGZHOU YINGJIANG MACHINERY MANUFACTURE Co Ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-06-14
Anticipated expiration: 2031-12-22

Abstract

The utility model discloses a tray uses convenient jack, including the jack body, the jack body includes the chassis, the oil pump, play to rise the arm, long connecting rod, a tray, tray seat and handle, it is articulated with the play to rise arm axle of chassis to rise the rear end of arm, it articulates with tray seat through tray seat round pin axle to rise the front end of arm, it is articulated with the wallboard through long connecting rod wallboard connecting axle to rise the rear end of long connecting rod, tray seat is equipped with tray installation face, the tray can be dismantled and connect on tray installation face, tray bottom edge is equipped with the backing pin, tray installation face is equipped with the tray mounting hole with the tray axle adaptation of tray bottom, the tray mounting hole is connected with the backing pin groove that matches with the backing pin, the tray inserts tray mounting hole and rotatory back through backing pin and tray seat joint. The utility model discloses a tray installation is dismantled conveniently, effectively avoids the tray landing, has simple structure, convenient operation, connects characteristics such as stable, whole rigidity height, can bear great unbalance loading load, and the security is high.

Description

Jack with tray convenient to use

Technical Field

The utility model relates to a jack technical field especially relates to a tray uses convenient jack.

Background

With the improvement of living standard of people, many families are equipped with two or more household vehicles. When a plurality of vehicles are used, a plurality of people adopt the vehicle combination of a common household car and an SUV vehicle.

The jack used as a vehicle maintenance tool is generally provided with a loaded tray which is fixed on a jack body and is inconvenient to disassemble; the applicable height of the jack is generally fixed, namely the low-position jack is only suitable for cars with low chassis, and vehicles with high chassis such as SUV need to use the high-position jack. The conventional jack is only suitable for the same type of vehicles, and when two or more types of vehicles need to be adapted, one jack cannot well meet the requirements. Therefore, if the requirement that the same jack can be simultaneously suitable for vehicles with different heights is met, the height of the jack can be properly adjusted, such as the height of a tray frame, and the problem that the tray is convenient to disassemble needs to be solved at the moment.

Disclosure of Invention

The utility model provides a tray uses convenient jack in order to solve above-mentioned technical problem.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

a jack with a conveniently used tray comprises a jack body, wherein the jack body comprises a bottom frame, an oil pump, a lifting arm, a tray seat and a handle, the bottom frame comprises two wallboards, a front wheel and a rear wheel which are arranged just opposite to each other, the rear end of the lifting arm is hinged with a lifting arm shaft of the bottom frame, the front end of the lifting arm is hinged with the tray seat through a tray seat pin shaft, and the rear end of a long connecting rod is hinged with the wallboards through a long connecting rod wallboard connecting shaft; the tray seat is equipped with tray installation face, the tray can be dismantled and connect on tray installation face, tray bottom edge is equipped with the backing pin, tray installation face be equipped with the tray mounting hole of the tray axle adaptation of tray bottom, the tray mounting hole is connected with the backing pin groove that matches with the backing pin, and the tray inserts tray mounting hole and rotatory back through backing pin and tray seat joint.

Preferably, the underframe is provided with a long connecting rod wallboard connecting shaft for connecting wallboards on two sides, the tray seat is provided with a first long connecting rod pin shaft and a second long connecting rod pin shaft, two end faces of the tray seat are respectively provided with tray mounting surfaces, and the tray is detachably connected to one of the tray mounting surfaces; when the jack body is in a low position state, the long connecting rod is inserted into a first long connecting rod pin shaft of the tray seat, and a parallelogram is formed by sequentially connecting four shaft centers of the tray seat pin shaft, the first long connecting rod pin shaft, the lifting arm shaft and the long connecting rod wallboard connecting shaft; when the jack body is in a high state, the tray seat is turned clockwise by 90 degrees, the long connecting rod is inserted into a second long connecting rod pin shaft of the tray seat, the height of the tray seat after turning is higher than the height of the tray seat before turning, and a parallelogram is a graph formed by sequentially connecting four shaft centers of the tray seat pin shaft, the second long connecting rod pin shaft, the lifting arm shaft and the long connecting rod wallboard connecting shaft; before and after overturning, the tray seat, the lifting arm, the long connecting rod and the wallboard all form a parallelogram structure.

Preferably, the distance between the tray seat pin shaft and the first long connecting rod pin shaft is equal to the distance between the tray seat pin shaft and the second long connecting rod pin shaft.

Preferably, the handle is connected to a drain valve stem provided on the oil outlet passage of the oil pump by a snap.

Preferably, the wallboard is the notch cuttype, and the longitudinal height of wallboard increases progressively from the front to back, and the height of wallboard front end is less than the longitudinal height of tray seat, the front wheel is installed in the wallboard front end.

Preferably, the edge of the bottom of the tray is provided with a stop pin, the tray mounting surface is provided with a tray mounting hole matched with a tray shaft at the bottom of the tray, the tray mounting hole is connected with a stop pin groove matched with the stop pin, and the tray is inserted into the tray mounting hole and is clamped with the tray seat through the stop pin after rotating.

Preferably, the tray installation surface is provided with a plurality of annular anti-slip grooves.

Compared with the prior art, the utility model discloses a tray installation is dismantled conveniently, effectively avoids the tray landing, has characteristics such as simple structure, convenient operation, connection stability, whole rigidity height, can bear great unbalance loading, and the security is high.

Drawings

Fig. 1 is a schematic structural view of a jack in a low position for conveniently using the tray of the present invention;

fig. 2 is a schematic top view of the jack in a low position for conveniently using the tray of the present invention;

fig. 3 is a schematic structural view of the jack in a high position for conveniently using the tray of the present invention;

fig. 4 is a schematic structural view of the jack with the tray convenient for using of the present invention, wherein the tray is connected with the tray frame;

fig. 5 is an enlarged structural view of the direction a in fig. 4.

In the figure, 1-underframe, 2-oil pump, 3-lifting arm, 4-handle, 5-tray frame, 6-tray, 7-long connecting rod, 8-rear wheel frame, 9-press handle, 11-wall board, 12-front wheel, 13-rear wheel, 14-tray seat pin shaft, 15-first long connecting rod pin shaft, 16-second long connecting rod pin shaft, 17-long connecting rod wall board connecting shaft, 18-lifting arm shaft, 19-tray shaft, 20-stop pin and 21-stop pin groove.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the drawings. However, these embodiments are not intended to limit the present invention, and structural, methodical, or functional changes that may be made by one of ordinary skill in the art based on these embodiments are all included in the scope of the present invention.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

As shown in fig. 1 to 5, a jack with a rotatable tray frame comprises a jack body, wherein the jack body comprises an underframe 1, an oil pump 2, a lifting arm 3, a long connecting rod 7, a tray 6, a tray seat 5 and a handle 4, the underframe 1 comprises two wall plates 11, a front wheel 12 and a rear wheel 13 which are just opposite to each other, the oil pump 2 is installed at the rear part of the underframe 1, the rear end of the lifting arm 3 is hinged to a lifting arm shaft 18 of the underframe 1, the front end of the lifting arm 3 serves as a free end and is hinged to the tray seat 5 through a tray seat pin shaft 14, the rear section of the long connecting rod 7 is hinged to the wall plate 11 through a long connecting rod wall plate connecting shaft 17, and a piston rod of the oil pump 2 is hinged to the bottom of the lifting arm 3 through a connecting rod and is used for driving the lifting arm 3 to lift. The handle 4 can be connected with an oil drain valve rod arranged on an oil outlet passage of the oil pump 2 through a press knob 9.

In order to facilitate the disassembly of the tray 6, the edge of the bottom of the tray 6 is provided with a stop pin 20, the tray installation surface is provided with a tray installation hole matched with the tray shaft 19 at the bottom of the tray 6, and the tray installation hole is connected with a stop pin groove 21 matched with the stop pin 20. When the tray 6 is installed, the stop pin 20 is aligned to the stop pin groove 21 of the tray seat 5, the tray 6 is inserted into the tray installation hole to the bottom, and the tray 6 is rotated by a certain angle and then is clamped with the tray seat 5 through the stop pin 20, so that the tray 6 can be prevented from being separated.

In order to facilitate the tray 6 not to slide easily, the tray mounting surface can also be provided with a plurality of annular anti-sliding grooves. The annular anti-skid groove can be concentric with the tray mounting hole or not. The annular anti-skid groove can be of a closed structure such as a rectangle, a circle or a prism, and can also be of other open structures.

In order to make the jack suitable for both low-level vehicles and high-level vehicles, the tray frame 5 can be rotated, two end faces of the tray seat 5 are respectively provided with a tray mounting surface, and the tray 6 is detachably connected to one of the tray mounting surfaces.

As shown in fig. 1 to 3, the tray seat 5 is provided with a first long connecting rod pin 15 and a second long connecting rod pin 16, the upper end surface and the left end surface of the tray seat 5 are respectively provided with a tray mounting surface, and the tray 6 is detachably connected to one of the tray mounting surfaces.

Wallboard 11 can be the notch cuttype, and the longitudinal height of wallboard 11 increases progressively from the past backward, and the height of wallboard 11 front end is less than the longitudinal height of tray seat 5, front wheel 12 installs in wallboard 11 front end, rear wheel 13 can install in wallboard 11 rear end through rear wheel carrier 8.

When the jack body is in a low position state, the long connecting rod 7 is inserted into a first long connecting rod pin shaft 15 of the tray seat 5, the tray 6 is installed on the upper end face of the tray seat 5, and a parallelogram is formed by sequentially connecting four shaft centers of a tray seat pin shaft 14, the first long connecting rod pin shaft 15, a lifting arm shaft 18 and a long connecting rod wallboard connecting shaft 17; when the jack body is in a high-position state, the tray seat 5 rotates 90 degrees clockwise, the long connecting rod 7 is pulled out from the first long connecting rod pin shaft 15 and is inserted into the second long connecting rod pin shaft 16 of the tray seat 5, the tray 6 is installed on the left end face (namely the end face turned over for 90 degrees and upwards) of the tray seat 5, and a pattern formed by sequentially connecting four axes of the tray seat pin shaft 14, the second long connecting rod pin shaft 16, the lifting arm shaft 18 and the long connecting rod wallboard connecting shaft 17 is a parallelogram.

Here, the height of the tray seat 5 after the inversion is higher than the height of the tray seat 5 before the inversion. When a vehicle with a chassis such as an SUV (sports utility vehicle) needs to be jacked, the tray 6 is detached from the tray seat 5, the left long connecting rod 7 and the right long connecting rod 7 are separated from the first long connecting rod pin 15, the tray seat 5 is turned by 90 degrees, the long connecting rods 7 are arranged in the second long connecting rod pin 16, and the tray 6 is arranged on the turned top surface of the tray seat 5. Before and after overturning, the tray seat 5, the lifting arm 3, the long connecting rod 7 and the wall plate 11 all form a parallelogram structure.

The distance between the tray seat pin 14 and the first long connecting rod pin 15 may be equal to the distance between the tray seat pin 14 and the second long connecting rod pin 16.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.

It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims

1. A jack with a tray convenient to use is characterized by comprising a jack body, wherein the jack body comprises a bottom frame, an oil pump, a lifting arm, a long connecting rod, a tray seat and a handle, the bottom frame comprises two wallboards, a front wheel and a rear wheel which are arranged oppositely, the rear end of the lifting arm is hinged with a lifting arm shaft of the bottom frame, the front end of the lifting arm is hinged with the tray seat through a tray seat pin shaft, and the rear end of the long connecting rod is hinged with the wallboards through a long connecting rod wallboard connecting shaft; the tray seat is equipped with tray installation face, the tray can be dismantled and connect on tray installation face, tray bottom edge is equipped with the backing pin, tray installation face be equipped with the tray mounting hole of the tray axle adaptation of tray bottom, the tray mounting hole is connected with the backing pin groove that matches with the backing pin, and the tray inserts tray mounting hole and rotatory back is through backing pin and tray seat joint.

2. The jack convenient for the tray to use as claimed in claim 1, wherein the tray seat is provided with a first long connecting rod pin shaft and a second long connecting rod pin shaft, two end surfaces of the tray seat are respectively provided with a tray mounting surface, and the tray is detachably connected to one of the tray mounting surfaces;

when the jack body is in a low position state, the front end of the long connecting rod is connected with a first long connecting rod pin shaft, and a parallelogram is formed by sequentially connecting four axes of the tray seat pin shaft, the first long connecting rod pin shaft, the lifting arm shaft and the long connecting rod wallboard connecting shaft; when the jack body is in a high-position state, the tray seat is turned by 90 degrees around the tray seat pin shaft, the front end of the long connecting rod is connected with a second long connecting rod pin shaft, the height of the tray seat after turning is higher than that of the tray seat before turning, and a pattern formed by sequentially connecting four shaft centers of the tray seat pin shaft, the second long connecting rod pin shaft, the lifting arm shaft and the long connecting rod wallboard connecting shaft is a parallelogram; before and after overturning, the tray seat, the lifting arm, the long connecting rod and the wallboard all form a parallelogram structure.

3. The jack with the tray convenient to use as claimed in claim 2, wherein the distance between the tray seat pin and the first long connecting rod pin is equal to the distance between the tray seat pin and the second long connecting rod pin.

4. The lift jack for facilitating the use of a tray of claim 1, wherein the handle is connected to a discharge valve stem disposed on an oil discharge passage of the oil pump by a snap.

5. The jack for facilitating the use of the tray as claimed in claim 1, wherein the wall plate is stepped, a longitudinal height of the wall plate is increased from front to rear, a front end of the wall plate is lower than a longitudinal height of the tray seat, and the front wheel is installed at the front end of the wall plate.

6. The jack for facilitating the use of a tray of claim 1, wherein the tray mounting surface is provided with a plurality of annular anti-slip grooves.